Published May 29, 2026, 3:31 PM EDT Watch Backrooms, then escape from the Backrooms Xbox Game Pass added 3 great games this week Image: Obsidian Entertainment/Xbox Game Studios Sign in to your Polygon.com account May has been a stacked month for new games , and Xbox Game Pass' first and second waves of new titles in May show why. Mixtape has been loved by nostalgic millennials, while Forza Horizon 6 is already looking like one of the best games of the year . But those aren't the only games added to Xbox Game Pass this month. Here are three great titles that landed on the subscription service in the past week. 1 The Outer Worlds: Spacer's Choice Edition The Outer Worlds: Spacer's Choice Edition is the 2023 re-release of Obsidian's hit 2018 sci-fi RPG (and now the only version available for some platforms ). It includes upgraded graphics, a higher level cap, and all of the game's DLC. A recent patch included numerous bug fixes and performance enhancements, so it should be a top-of-the-line experience now.…